Just in time for Thanksgiving, Seth Kaller, one of the world’s leading dealers in rare historic documents, will exhibit and offer for sale George Washington’s Thanksgiving Proclamation in conjunction with Leigh Keno, President of Keno Auctions, now through November 26.

The Thanksgiving Proclamation is priced at $8.4 million, and is the only example in private hands. The only other Washington-signed copy was acquired by the Library of Congress in 1921. The document was offered at Christie’s on November 14, 2013, where it was expected to sell for upwards of $12,000,000. Kaller represents the document’s owner, who has decided to offer the manuscript through exhibition and private sale.